Suchergebnisse - "Kosmala, Witold"

Monotonicity character of convex combinations of two sequences generated by the square of the cube root function.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Journal of Inequalities & Applications; 10/15/2025, Vol. 2025 Issue 1, p1-12, 12p

Schlagwörter: MONOTONIC functions, MATHEMATICAL sequences, SQUARE root, DEFINITE integrals, REAL variables, MATHEMATICAL series, MATHEMATICAL analysis

On solvability of a two-dimensional symmetric nonlinear system of difference equations.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Journal of Inequalities & Applications; 8/27/2024, Vol. 2024 Issue 1, p1-17, 17p

Schlagwörter: NONLINEAR difference equations, NONLINEAR equations, DIFFERENCE equations

Note on difference equations with the right-hand side function nonincreasing in each variable.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Journal of Inequalities & Applications; 2/23/2022, Vol. 2022 Issue 1, p1-7, 7p

Schlagwörter: DIFFERENCE equations, EQUILIBRIUM

Note on theoretical and practical solvability of a class of discrete equations generalizing the hyperbolic-cotangent class.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Journal of Inequalities & Applications; 11/17/2021, Vol. 2021 Issue 1, p1-12, 12p

Schlagwörter: EQUATIONS, DIFFERENCE equations, TRIGONOMETRIC functions

On a family of nonlinear difference equations of the fifth order solvable in closed form.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold

Quelle: AIMS Mathematics; 2023, Vol. 8 Issue 10, p22662-22674, 13p

Schlagwörter: NONLINEAR difference equations, DIFFERENCE equations

On a Class of Difference Equations with Interlacing Indices of the Fourth Order.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold

Quelle: Acta Applicandae Mathematicae; 3/28/2023, Vol. 184 Issue 1, p1-15, 15p

Schlagwörter: CLASS differences, NONLINEAR difference equations, DIFFERENCE equations, REAL numbers

On a nonlinear second-order difference equation.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Journal of Inequalities & Applications; 6/28/2022, Vol. 2022 Issue 1, p1-11, 11p

Schlagwörter: DIFFERENCE equations, NONLINEAR difference equations

Higher order difference equations with homogeneous governing functions nonincreasing in each variable with unbounded solutions.

Autoren: Stević, Stevo El-Sayed Ahmed, A. Iričanin, Bratislav et al.

Quelle: Journal of Inequalities & Applications; 6/13/2022, Vol. 2022 Issue 1, p1-13, 13p

Schlagwörter: DIFFERENCE equations

Note on a difference equation and some of its relatives.

Autoren: Stević, Stevo Ahmed, Ahmed El‐Sayed Kosmala, Witold et al.

Quelle: Mathematical Methods in the Applied Sciences; Sep2021, Vol. 44 Issue 13, p10053-10061, 9p

Schlagwörter: DIFFERENCE equations, NONLINEAR difference equations

On a class of difference equations with interlacing indices.

Autoren: Stević, Stevo Ahmed, A. El-Sayed Kosmala, Witold et al.

Quelle: Advances in Difference Equations; 6/15/2021, Vol. 2021 Issue 1, p1-16, 16p

Schlagwörter: DIFFERENCE equations, NONLINEAR difference equations, CLASS differences

Note on constructing a family of solvable sine-type difference equations.

Autoren: Ahmed, Ahmed El-Sayed Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Advances in Difference Equations; 4/6/2021, Vol. 2021 Issue 1, p1-11, 11p

Schlagwörter: DIFFERENCE equations, SINE-Gordon equation, MATHEMATICAL inequalities

More on a hyperbolic‐cotangent class of difference equations.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold

Quelle: Mathematical Methods in the Applied Sciences; Jun2019, Vol. 42 Issue 9, p2974-2992, 19p

Schlagwörter: DIFFERENCE equations, CLASS differences, COMPLEX numbers, REAL numbers, HYPERBOLIC differential equations, INITIAL value problems

Solvability of a nonlinear fifth‐order difference equation.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Mathematical Methods in the Applied Sciences; Mar2019, Vol. 42 Issue 5, p1687-1701, 15p

Schlagwörter: NONLINEAR difference equations, MATHEMATICAL induction, DIFFERENCE equations

Note on the bilinear difference equation with a delay.

Autoren: Stević, Stevo Iričanin, Bratislav Kosmala, Witold et al.

Quelle: Mathematical Methods in the Applied Sciences; Dec2018, Vol. 41 Issue 18, p9349-9360, 12p

Schlagwörter: BILINEAR forms, MULTILINEAR algebra, DIFFERENCE equations, BILINEAR transformation method, FIBONACCI sequence

More on oscillation of \(n\)th-order equations

Autoren: Kosmala, Witold A. J.

Schlagwörter: bounded solutions, positive solutions, asymptotic properties, forced higher-order equation, oscillation, Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/844650

Behavior of bounded positive solutions of higher order differential equations

Autoren: Kosmala, Witold A. J.

Quelle: Hiroshima Math. J. 25, no. 1 (1995), 11-17

Schlagwörter: Growth and boundedness of solutions to ordinary differential equations, 0101 mathematics, 34C10, Asymptotic properties of solutions to ordinary differential equations, 01 natural sciences

Dateibeschreibung: application/xml; application/pdf

Zugangs-URL: https://projecteuclid.org/download/pdf_1/euclid.hmj/1206127822
https://projecteuclid.org/euclid.hmj/1206127822
http://projecteuclid.org/euclid.hmj/1206127822

More on the Difference Equation y n + 1 = ( p + y n −1 )/( qy n + y n −1 ).

Autoren: Kosmala, Witold Teixeira, Christopher

Quelle: Applicable Analysis; Jan2002, Vol. 81 Issue 1, p143-151, 9p

MORE ON OSCILLATION OF nTH-ORDER EQUATIONS.

Autoren: KOSMALA, WITOLD A. J.

Quelle: Georgian Mathematical Journal; 1995, Vol. 2 Issue 6, p593-602, 10p

On positive solutions of higher order equations.

Autoren: Kosmala, Witold

Quelle: Applicable Analysis; Jul1986, Vol. 22 Issue 2, p87-101, 15p

Oscillation theorems for higher order delay equations.

Autoren: Kosmala, Witold A.

Quelle: Applicable Analysis; Feb1986, Vol. 21 Issue 1/2, p43-53, 11p